diff --git a/pcbnew/generators/pcb_generator_meanders.cpp b/pcbnew/generators/pcb_generator_meanders.cpp
index 105418d8f7..f2689dbbad 100644
--- a/pcbnew/generators/pcb_generator_meanders.cpp
+++ b/pcbnew/generators/pcb_generator_meanders.cpp
@@ -734,6 +734,8 @@ public:
 
         m_removedItems.clear();
 
+        aTool->Router()->StopRouting();
+
         if( aCommit )
             aCommit->Revert();
     }
@@ -1178,6 +1180,7 @@ int DRAWING_TOOL::PlaceMeander( const TOOL_EVENT& aEvent )
     PCB_SELECTION_TOOL*      selectionTool = m_toolMgr->GetTool<PCB_SELECTION_TOOL>();
     GENERAL_COLLECTORS_GUIDE guide = m_frame->GetCollectorsGuide();
     GENERATOR_TOOL*          generatorTool = m_toolMgr->GetTool<GENERATOR_TOOL>();
+    PNS::ROUTER*             router = generatorTool->Router();
 
     m_pickerItem = nullptr;
     m_meander = nullptr;
@@ -1193,6 +1196,24 @@ int DRAWING_TOOL::PlaceMeander( const TOOL_EVENT& aEvent )
                 controls->ShowCursor( true );
             };
 
+    auto updateMeander =
+            [&]()
+            {
+                if( m_meander && m_meander->GetPosition() != m_meander->GetEnd() )
+                {
+                    m_meander->EditStart( generatorTool, m_board, m_frame, nullptr );
+                    m_meander->Update( generatorTool, m_board, m_frame, nullptr );
+
+                    m_statusPopup->Popup();
+                    canvas()->SetStatusPopup( m_statusPopup.get() );
+
+                    m_view->Update( &m_preview );
+
+                    m_meander->UpdateStatus( generatorTool, m_frame, m_statusPopup.get() );
+                    m_statusPopup->Move( KIPLATFORM::UI::GetMousePosition() + wxPoint( 20, 20 ) );
+                }
+            };
+
     // Set initial cursor
     setCursor();
 
@@ -1281,20 +1302,7 @@ int DRAWING_TOOL::PlaceMeander( const TOOL_EVENT& aEvent )
                 // First click already made; we're in preview-meander mode
 
                 m_meander->SetEnd( cursorPos );
-
-                if( m_meander->GetPosition() != m_meander->GetEnd() )
-                {
-                    m_meander->EditStart( generatorTool, m_board, m_frame, nullptr );
-                    m_meander->Update( generatorTool, m_board, m_frame, nullptr );
-
-                    m_statusPopup->Popup();
-                    canvas()->SetStatusPopup( m_statusPopup.get() );
-
-                    m_view->Update( &m_preview );
-
-                    m_meander->UpdateStatus( generatorTool, m_frame, m_statusPopup.get() );
-                    m_statusPopup->Move( KIPLATFORM::UI::GetMousePosition() + wxPoint( 20, 20 ) );
-                }
+                updateMeander();
             }
         }
         else if( evt->IsClick( BUT_RIGHT ) )
@@ -1302,6 +1310,30 @@ int DRAWING_TOOL::PlaceMeander( const TOOL_EVENT& aEvent )
             PCB_SELECTION dummy;
             m_menu.ShowContextMenu( dummy );
         }
+        else if( evt->IsAction( &PCB_ACTIONS::spacingIncrease )
+                 || evt->IsAction( &PCB_ACTIONS::spacingDecrease ) )
+        {
+            if( m_meander )
+            {
+                auto* placer = static_cast<PNS::MEANDER_PLACER_BASE*>( router->Placer() );
+
+                placer->SpacingStep( evt->IsAction( &PCB_ACTIONS::spacingIncrease ) ? 1 : -1 );
+                m_meander->SetSpacing( placer->MeanderSettings().m_spacing );
+                updateMeander();
+            }
+        }
+        else if( evt->IsAction( &PCB_ACTIONS::amplIncrease )
+                 || evt->IsAction( &PCB_ACTIONS::amplDecrease ) )
+        {
+            if( m_meander )
+            {
+                auto* placer = static_cast<PNS::MEANDER_PLACER_BASE*>( router->Placer() );
+
+                placer->AmplitudeStep( evt->IsAction( &PCB_ACTIONS::amplIncrease ) ? 1 : -1 );
+                m_meander->SetMaxAmplitude( placer->MeanderSettings().m_maxAmplitude );
+                updateMeander();
+            }
+        }
         // TODO: It'd be nice to be able to say "don't allow any non-trivial editing actions",
         // but we don't at present have that, so we just knock out some of the egregious ones.
         else if( ZONE_FILLER_TOOL::IsZoneFillAction( evt ) )
diff --git a/pcbnew/tools/pcb_actions.cpp b/pcbnew/tools/pcb_actions.cpp
index 52346c41e4..1e2b1d019d 100644
--- a/pcbnew/tools/pcb_actions.cpp
+++ b/pcbnew/tools/pcb_actions.cpp
@@ -194,6 +194,43 @@ TOOL_ACTION PCB_ACTIONS::placeMeanders( TOOL_ACTION_ARGS()
         .Icon( BITMAPS::ps_tune_length )
         .Flags( AF_ACTIVATE ) );
 
+TOOL_ACTION PCB_ACTIONS::spacingIncrease( TOOL_ACTION_ARGS()
+        .Name( "pcbnew.lengthTuner.SpacingIncrease" )
+        .Scope( AS_GLOBAL )
+        .DefaultHotkey( '1' )
+        .LegacyHotkeyName( "Increase meander spacing by one step." )
+        .MenuText( _( "Increase Spacing" ) )
+        .Tooltip( _( "Increase meander spacing by one step." ) )
+        .Icon( BITMAPS::router_len_tuner_dist_incr ) );
+
+TOOL_ACTION PCB_ACTIONS::spacingDecrease( TOOL_ACTION_ARGS()
+        .Name( "pcbnew.lengthTuner.SpacingDecrease" )
+        .Scope( AS_GLOBAL )
+        .DefaultHotkey( '2' )
+        .LegacyHotkeyName( "Decrease meander spacing by one step." )
+        .MenuText( _( "Decrease Spacing" ) )
+        .Tooltip( _( "Decrease meander spacing by one step." ) )
+        .Icon( BITMAPS::router_len_tuner_dist_decr ) );
+
+TOOL_ACTION PCB_ACTIONS::amplIncrease( TOOL_ACTION_ARGS()
+        .Name( "pcbnew.lengthTuner.AmplIncrease" )
+        .Scope( AS_GLOBAL )
+        .DefaultHotkey( '3' )
+        .LegacyHotkeyName( "Increase meander amplitude by one step." )
+        .MenuText( _( "Increase Amplitude" ) )
+        .Tooltip( _( "Increase meander amplitude by one step." ) )
+        .Icon( BITMAPS::router_len_tuner_amplitude_incr ) );
+
+TOOL_ACTION PCB_ACTIONS::amplDecrease( TOOL_ACTION_ARGS()
+        .Name( "pcbnew.lengthTuner.AmplDecrease" )
+        .Scope( AS_GLOBAL )
+        .DefaultHotkey( '4' )
+        .LegacyHotkeyName( "Decrease meander amplitude by one step." )
+        .MenuText( _( "Decrease Amplitude" ) )
+        .Tooltip( _( "Decrease meander amplitude by one step." ) )
+        .Icon( BITMAPS::router_len_tuner_amplitude_decr ) );
+
+
 TOOL_ACTION PCB_ACTIONS::drawAlignedDimension( TOOL_ACTION_ARGS()
         .Name( "pcbnew.InteractiveDrawing.alignedDimension" )
         .Scope( AS_GLOBAL )
diff --git a/pcbnew/tools/pcb_actions.h b/pcbnew/tools/pcb_actions.h
index 320ce4818f..00bc62adf7 100644
--- a/pcbnew/tools/pcb_actions.h
+++ b/pcbnew/tools/pcb_actions.h
@@ -199,6 +199,10 @@ public:
     static TOOL_ACTION placeText;
     static TOOL_ACTION drawTextBox;
     static TOOL_ACTION placeMeanders;
+    static TOOL_ACTION spacingIncrease;
+    static TOOL_ACTION spacingDecrease;
+    static TOOL_ACTION amplIncrease;
+    static TOOL_ACTION amplDecrease;
     static TOOL_ACTION drawAlignedDimension;
     static TOOL_ACTION drawCenterDimension;
     static TOOL_ACTION drawRadialDimension;